/* =============================================
   DEMO PAGE — Phaser Music Scene
   ============================================= */

/* --- Hero --- */

.demo-hero-section.hero {
  padding: 2.5rem 0 1.5rem;
}

.demo-hero-section .section-inner {
  display: block;
  text-align: center;
}

.demo-hero-section .lede {
  max-width: 38rem;
  margin-inline: auto;
}

/* --- Controls --- */

.demo-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.demo-instrument-picker {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.demo-instrument-pill {
  padding: 0.5rem 1.25rem;
  border: 2px solid var(--line);
  border-radius: 2rem;
  background: var(--paper-strong);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}

.demo-instrument-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.demo-instrument-pill.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.demo-transport {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.demo-transport-btn {
  padding: 0.5rem 1.25rem;
  border: 2px solid var(--teal);
  border-radius: 2rem;
  background: transparent;
  color: var(--teal);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}

.demo-transport-btn:hover,
.demo-transport-btn.is-playing {
  background: var(--teal);
  color: #fff;
}

.demo-transport-time {
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
  color: var(--ink-soft);
  min-width: 3rem;
}

/* --- Phaser Canvas Wrapper --- */

.demo-canvas-wrapper {
  position: relative;
  display: inline-block;
  max-width: 1248px;
  width: 100%;
}

#demo-game-container canvas {
  display: block;
  width: 100% !important;
  height: auto !important;
}

/* --- Sheet Music Overlay --- */

#demo-sheet-music {
  position: absolute;
  top: 2.6%;
  left: 21%;
  width: 58%;
  max-height: 66%;
  background: #edeedc;
  pointer-events: none;
  overflow: hidden;
  border-radius: 2px;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

#demo-sheet-music.is-loaded {
  opacity: 1;
}

/* --- Key Hints --- */

.demo-key-hints {
  text-align: center;
  margin-top: 1.25rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.demo-key-hints p {
  margin: 0;
}

.demo-key-hints kbd {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  font-family: inherit;
  font-size: 0.75rem;
  background: var(--paper-strong);
  border: 1px solid var(--line);
  border-radius: 0.3rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  margin: 0 0.1rem;
}

/* --- Easter Egg Toast --- */

.demo-easter-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 2rem;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 8px 24px rgba(232, 93, 42, 0.35);
  z-index: 1000;
  transition: transform 0.4s var(--ease);
  pointer-events: none;
  white-space: nowrap;
}

.demo-easter-toast.is-visible {
  transform: translateX(-50%) translateY(0);
}

/* --- Responsive --- */

@media (max-width: 600px) {
  .demo-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .demo-instrument-picker {
    justify-content: center;
  }

  .demo-transport {
    justify-content: center;
  }

  .demo-key-hints {
    display: none;
  }
}